Basic Dyes are ________

Question

Basic dyes are ________.
A)attracted to the negatively charged acidic substances of bacterial cells
B)anionic
C)used in negative staining
D)repelled by cells
E)dyes such as India ink and nigrosin

Accepted Answer

Basic dyes are positively charged and are attracted to the negatively charged acidic substances of bacterial cells such as nucleic acids, cytoplasm, and cell membranes. This attraction enables them to be used for staining bacterial cells in simple stain procedures.